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LPG sensing application of PPy based nanocomposites at low operable temperature

机译:在低工作温度下基于PPy的纳米复合物的LPG传感应用

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摘要

Polypyrrole (PPy) based nanocomposites PPy-Bi2O3-MOX (MOX = ZrO2, Ag2O and TiO2) were synthesized by in situ approach and applied for LPG sensing at low operable temperature. The LPG sensing characteristics were significantly affected by the addition of Ag2O in nanocomposite. PBA (PPy-Bi2O3-Ag2O) nanocomposite shows higher sensing response, selectivity and stability against LPG as compare to others. Whereas, Ag2O based nanocomposite shows rapid response time (similar to 50 s) and recovery time (similar to 70 s). The main accomplishment of present work is that the PBA nanocomposite was operated at the temperature 348 K which is much below the auto-ignition temperature of LPG. All nanocomposite samples indicated more selectivity towards LPG than CO2 gas. (C ) 2017 Elsevier B.V. All rights reserved.
机译:通过原位合成聚吡咯(PPy)基纳米复合材料PPy-Bi2O3-MOX(MOX = ZrO2,Ag2O和TiO2)并将其用于低工作温度下的LPG传感。在纳米复合材料中添加Ag2O对LPG的传感特性有显着影响。与其他相比,PBA(PPy-Bi2O3-Ag2O)纳米复合材料表现出更高的感测响应,选择性和对LPG的稳定性。而基于Ag2O的纳米复合材料则显示出快速的响应时间(约50 s)和恢复时间(约70 s)。当前工作的主要成就是PBA纳米复合材料在348 K的温度下运行,该温度远低于LPG的自燃温度。所有纳米复合材料样品对LPG的选择性都比CO2气体高。 (C)2017 Elsevier B.V.保留所有权利。

著录项

  • 来源
    《Materials Letters》 |2017年第15期|36-39|共4页
  • 作者单位

    Suresh Deshmukh Coll Engn, Dept Phys, Wardha 442001, India;

    St Gadge Baba Amravati Univ, Dept Phys, Amravati 444602, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Polymer; Nanocomposites; Sensors; Polypyrrole; LPG;

    机译:聚合物;纳米复合材料;传感器;聚吡咯;LPG;

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